Add statistics operations and long calls and jumps to x64 macro assembler.

test/cctest/test-assembler-x64.cc

Index: test/cctest/test-assembler-x64.cc
===================================================================
--- test/cctest/test-assembler-x64.cc	(revision 2138)
+++ test/cctest/test-assembler-x64.cc	(working copy)
@@ -132,7 +132,7 @@
 
   // Assemble a simple function that copies argument 2 and returns it.
   __ movq(rax, rsi);
-  __ add(rax, rdi);
+  __ addq(rax, rdi);
   __ ret(0);
 
   CodeDesc desc;
@@ -215,12 +215,12 @@
   Label Loop1_body;
   __ jmp(&Loop1_test);
   __ bind(&Loop1_body);
-  __ add(rax, Immediate(7));
+  __ addq(rax, Immediate(7));
   __ bind(&Loop1_test);
-  __ cmp(rax, Immediate(20));
+  __ cmpq(rax, Immediate(20));
   __ j(less_equal, &Loop1_body);
   // Did the loop terminate with the expected value?
-  __ cmp(rax, Immediate(25));
+  __ cmpq(rax, Immediate(25));
   __ j(not_equal, &Fail);
 
   Label Loop2_test;
@@ -228,12 +228,12 @@
   __ movq(rax, Immediate(0x11FEED00));
   __ jmp(&Loop2_test);
   __ bind(&Loop2_body);
-  __ add(rax, Immediate(-0x1100));
+  __ addq(rax, Immediate(-0x1100));
   __ bind(&Loop2_test);
-  __ cmp(rax, Immediate(0x11FE8000));
+  __ cmpq(rax, Immediate(0x11FE8000));
   __ j(greater, &Loop2_body);
   // Did the loop terminate with the expected value?
-  __ cmp(rax, Immediate(0x11FE7600));
+  __ cmpq(rax, Immediate(0x11FE7600));
   __ j(not_equal, &Fail);
 
   __ movq(rax, Immediate(1));